disynet GmbH
Breyeller Str. 2
41379 Brüggen (Deutschland)
Tel: +49 2157 8799-0
Fax: +49 2157 8799-22

disynet Beschleunigungsaufnehmer – noch präziser, rauschärmer und temperaturunabhängiger!

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Our robust and cost-effective capacitive accelerometers have undergone an internal design improvement combining the advantages of different types of sensors, such as oil-damped cantilever sensors and MEMS-based sensors. It is noteworthy that there has been no increase in price on the standard products in spite of an improved accuracy, lower noise and an exceptional thermal performance.

These sensors have therefore become much more cost-effective!

The non-linearity has been improved by a factor of 10 (!) to 0,1% FSO, the noise level has been halved, the total error band (incl. thermal error) is <2% and the bandwidth has also been improved. The thermal performance is impressive with a typical Thermal Sensitivity Shift of ±0.008 (%/°C) and a Thermal Zero Shift (%FSO/°C) of ±0.004 with an Operating Temperature of -55 to 125 °C. This covers most automotive requirements without additional costs for thermal compensation in this temperature range.

In addition to this, these sensors can now be excited from 4 to 30V (previously 8 to 36V), allowing the sensors to be directly connected to a wider range of electronic devices, e.g. including those that only offer an excitation of 5V.

An example is the 4835A, which has been specially designed for off-road applications. With dimension of just 23 x 23 x 17mm, the 4835A has a robust laser-welded Titan-housing and has an IP67 Waterproof rating with a suitable cable and connector, allowing outdoor use.

Having a connector instead of an integral cable does not just make mounting easier, especially with limited installation space, in case of cable damage during use, one just has to replace the cable instead of sending the entire sensor back for repair. This does not only save costs, it also saves time during which the sensor is not available on site.

The 4835A is available in the ranges ±2 g to ±200 g.

Typical applications are not only car test benches but also land machines, motor sports, railway systems, aerospace as well as medical applications, and low frequency monitoring of industrial machinery and plant engineering.

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